52 MANUAL OF MODERN FARRIERY. 



"roaring." The practice of what is termed coughing a 

 horse, to ascertain the state of his wind, is apt to produce 

 roaring. This is performed by subjecting the larynx or 

 trachea to violent pressure by squeezing with the fingers. 

 A horse so afilicted may be considered as decidedly un- 

 sound. 



Remedies. — Should this disease be occasioned by previous 

 inflammation, and a thickening of the parts have ensued, 

 bleeding may be resorted to with some little effect ; but if 

 from compression, produced by what we have hinted at, 

 there is no possibility of remedies having the slightest effect. 

 After bleeding, purgative medicines, which have a tendency 

 to diminish the circulation, should be had recourse to. The 

 following may be tried : — 



Digitalis . . • li drachm, 



Nitre ... 2 drachms, 



Emetic tartar . . 1 drachm. 



Aloes . . . li drachm. 



Blisters have been tried, and not without apparent success. 

 When the disease has been of such a character as to threaten 

 suffocation, the part supposed to cause the difficulty of 

 breathing by obstructing the passage of the air has been 

 cut down upon, and a portion of one of the rings cut out ; 

 and others have introduced a breathing tube. 



OBSTRUCTION OF THE GULLET. 



Symptoms. — In this malady the gullet has become con- 

 tracted, which compels the horse to swallow its food in small 

 quantities, and that with much difficulty, giving the animal 

 the appearance of choking when in the act of swallowing. 

 Sometimes the stricture is near the upper portion of tlie 

 gullei^ : in which case an experienced veterinary surgeon 



